2008-12-11_PERMIT FILE - C1980007A ‎(22)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 25 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-2R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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82
D2-21
• Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Manning's n Mult. x
Ratio Ratio Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 8.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 0.24 cfs
Depth: 0.17 ft 0.47 ft
Top Width: 0.68 ft 1.88 ft
Velocity: 4.47 fps
X-Section Area: 0.06 sq ft
Hydraulic Radius: 0.077 ft
Froude Number: 2.69
Structure #31 (Culvert)
• C2-13A
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
137.00 10.95 0.0240 1.00 0.00 0.9(
Design Discharge = 0.46 cfs
Minimum pipe diameter: I - 6 inch pipe(s) required
Structure #30 (Nonerodib/e Channel)
D2-2G
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Manning's n Mult. x
Ratio Ratio Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 2.0 0.0170 0.30
• Nonerodible Channel Results:
Filename: MB-2R.sc4 Printed 10-23-2008